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Seeing Sounds: Ian Butterworth at TEDxTeddington

Ian is an acoustics scientist at the National Physical Laboratory. He has developed techniques to actually see sound as it passes through the air utilizing flammable gas, styrofoam beads, lasers, and more. Click play below to see these techniques in use!

What did you learn about sound from his experiments? Comment below to share! Click here to submit any cool audio-related videos you’d like us to share with the Audiogon community!